# Earth light map vs Date Calculator

The clearest difference is price: Date Calculator at Free against Earth light map's $1.99. Earth light map's advantage is update cadence (weekly vs every 3 months) and iOS requirement (15.5 vs 17.0). On ads, in-app purchases and device support there is nothing between them.

Date Calculator is free to download; Earth light map costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Earth light map ships an update weekly, Date Calculator every 3 months. The most recent releases landed on October 31, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Earth light map | Date Calculator |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 3 months |
| Size | 6 MB | 5 MB |
| Requires iOS | **15.5** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Konstantinos Ladiellis](https://appshunter.io/developer/1516103440) | [Phuc Pham](https://appshunter.io/developer/1893081423) |

## What reviewers say

### Earth light map

[App page](https://appshunter.io/ios/app/earth-light-map/id6740416091)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Date Calculator

[App page](https://appshunter.io/ios/app/date-calculator-days-between/id6772265897)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Earth light map free?

Earth light map costs $1.99, with no in-app purchases.

### Is Date Calculator free?

Date Calculator is free to download, with no in-app purchases.

### Do Earth light map or Date Calculator have ads?

Neither Earth light map nor Date Calculator shows ads.

### Which is updated more often, Earth light map or Date Calculator?

Earth light map ships an update weekly, and Date Calculator every 3 months. Most recently, Earth light map was updated on October 31, 2026 and Date Calculator on October 8, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*